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变形对中间合金细化剂组织及细化性能的影响

Influence of Extruding Deformation on Microstructure and RefiningPerformance of Master Alloy Grain Refiner

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【作者】 张柏清马洪涛李建国方鸿生

【Author】 Zhang Baiqing,Ma Hongtao,Li Jianguo,Fang Hongsheng (Department of Materials,Tsinghua University,Beijing 100084)

【机构】 清华大学材料系

【摘要】 研究了挤压变形对铸态AlTi、AlTiB和AlTiC中间合金的显微组织及其细化性能的影响。变形引起铸态中间合金中的Al3Ti相断开,并使团簇状TiB2和TiC粒子趋于分散。变形使3种铸态中间合金的细化性能分别产生了不同的变化,初步探讨了原因

【Abstract】 The influence of extruding deformation on the microstructure and their refining performance of ascast AlTi,AlTiB,AlTiC master alloy have been investigated.The laminar Al3Ti was broken during extruding deformation,and agglomerative particles of TiB2 and TiC were decentralised.Different changes of refining performance of the above three master alloys have been observed respectively and the reason was briefly discussed.

  • 【文献出处】 金属热处理 ,HEAT TREATMENT OF METALS , 编辑部邮箱 ,1999年06期
  • 【分类号】TG113.12
  • 【被引频次】15
  • 【下载频次】150
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